Home / 56,007.40-77,256.04-33,331.20

Finding the Fourth Proportional to 56,007.40, 77,256.04 and 33,331.20

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Solution

The fourth proportional to 56,007.40, 77,256.04 and 33,331.20 is: 45,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,007.40 : 77,256.04 = 33,331.20 : x
  2. Step 2: Convert to fraction form
    56,007.40/77,256.04 = 33,331.20/x
  3. Step 3: Cross multiply
    56,007.40x = 77,256.04 × 33,331.20
  4. Step 4: Simplify right side
    56,007.40x = 2,575,036,520.45
  5. Step 5: Solve for x
    x = 2,575,036,520.45/56,007.40
  6. Step 6: Final answer
    x = 45,976.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.